This specification pertains to the DirectPlay Protocol and describes how DirectPlay messages are used natively by the DXDiag application. This protocol is intended for peer-to-peer network video gaming.
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. Sections 1.5 and 1.9 are also normative but cannot contain those terms. All other sections and examples in this specification are informative.